Home / 78,732,198.60-118,098,297.90-59,600,322.60

Finding the Fourth Proportional to 78,732,198.60, 118,098,297.90 and 59,600,322.60

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Solution

The fourth proportional to 78,732,198.60, 118,098,297.90 and 59,600,322.60 is: 89,400,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,198.60 : 118,098,297.90 = 59,600,322.60 : x
  2. Step 2: Convert to fraction form
    78,732,198.60/118,098,297.90 = 59,600,322.60/x
  3. Step 3: Cross multiply
    78,732,198.60x = 118,098,297.90 × 59,600,322.60
  4. Step 4: Simplify right side
    78,732,198.60x = 7,038,696,653,350,903
  5. Step 5: Solve for x
    x = 7,038,696,653,350,903/78,732,198.60
  6. Step 6: Final answer
    x = 89,400,483.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.